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當我嘗試在調試模式（在eclipse中）啓動我的tomcat服務器或我的Java應用程序時，我總是在嘗試連接到服務器時遇到numberFormatException。 堆棧跟蹤（在Tomcat的情況下）看起來是這樣的：在tomcat啓動時的NumberFormatException
org.apache.catalina.startup.Bootstrap at localhost:3413
Thread [main] (Suspended (exception NumberFormatException))
owns: InetAddress$Cache (id=24)
owns: Object (id=25)
owns: Class<T> (sun.management.jmxremote.ConnectorBootstrap) (id=22)
Integer.parseInt(String, int) line: not available
Integer.<init>(String) line: not available
InetAddressCachePolicy.<clinit>() line: not available
InetAddress$Cache.getPolicy() line: not available
InetAddress$Cache.put(String, InetAddress[]) line: not available
InetAddress.cacheInitIfNeeded() line: not available
InetAddress.cacheAddresses(String, InetAddress[], boolean) line: not available
InetAddress.getAddressesFromNameService(String, InetAddress) line: not available
InetAddress.getLocalHost() line: not available
JMXServiceURL.<init>(String, String, int, String) line: not available
JMXServiceURL.<init>(String, String, int) line: not available
ConnectorBootstrap.exportMBeanServer(MBeanServer, int, int, boolean, boolean, String, String[], String[], boolean, boolean, String, String, String) line: not available
，並嘗試啓動我的應用程序是這樣，當一個：
Thread [AWT-EventQueue-0] (Suspended (exception NumberFormatException))
owns: InetAddress$Cache (id=57)
owns: HttpClient (id=58)
owns: HttpURLConnection (id=59)
Integer.parseInt(String, int) line: not available
Integer.<init>(String) line: not available
InetAddressCachePolicy.<clinit>() line: not available
InetAddress$Cache.getPolicy() line: not available
InetAddress$Cache.put(String, InetAddress[]) line: not available
InetAddress.cacheInitIfNeeded() line: not available
InetAddress.getCachedAddresses(String) line: not available
InetAddress.getAllByName0(String, InetAddress, boolean) line: not available
InetAddress.getAllByName(String, InetAddress) line: not available
InetAddress.getAllByName(String) line: not available
InetAddress.getByName(String) line: not available
InetSocketAddress.<init>(String, int) line: not available
HttpClient(NetworkClient).doConnect(String, int) line: not available
HttpClient.openServer(String, int) line: not available
HttpClient.openServer() line: not available
HttpClient.<init>(URL, Proxy, int) line: not available
HttpClient.New(URL, Proxy, int, boolean, HttpURLConnection) line: not available
HttpClient.New(URL, Proxy, int, HttpURLConnection) line: not available
HttpURLConnection.getNewHttpClient(URL, Proxy, int) line: not available
HttpURLConnection.plainConnect() line: not available [local variables unavailable]
HttpURLConnection.connect() line: not available
HttpURLConnection.getOutputStream() line: not available
ServerRequest.get_response(List<Parameter>, String) line: 249
ServerRequest.logout() line: 80
MainWindow$2.actionPerformed(ActionEvent) line: 218
JMenuItem(AbstractButton).fireActionPerformed(ActionEvent) line: not available
AbstractButton$Handler.actionPerformed(ActionEvent) line: not available
DefaultButtonModel.fireActionPerformed(ActionEvent) line: not available
DefaultButtonModel.setPressed(boolean) line: not available
JMenuItem(AbstractButton).doClick(int) line: not available
BasicMenuItemUI.doClick(MenuSelectionManager) line: not available
BasicMenuItemUI$Handler.mouseReleased(MouseEvent) line: not available
JMenuItem(Component).processMouseEvent(MouseEvent) line: not available
JMenuItem(JComponent).processMouseEvent(MouseEvent) line: not available
JMenuItem(Component).processEvent(AWTEvent) line: not available
JMenuItem(Container).processEvent(AWTEvent) line: not available
JMenuItem(Component).dispatchEventImpl(AWTEvent) line: not available
JMenuItem(Container).dispatchEventImpl(AWTEvent) line: not available
JMenuItem(Component).dispatchEvent(AWTEvent) line: not available
LightweightDispatcher.retargetMouseEvent(Component, int, MouseEvent) line: not available
LightweightDispatcher.processMouseEvent(MouseEvent) line: not available
LightweightDispatcher.dispatchEvent(AWTEvent) line: not available
JFrame(Container).dispatchEventImpl(AWTEvent) line: not available
JFrame(Window).dispatchEventImpl(AWTEvent) line: not available
JFrame(Component).dispatchEvent(AWTEvent) line: not available
EventQueue.dispatchEventImpl(AWTEvent, Object) line: not available
EventQueue.access$200(EventQueue, AWTEvent, Object) line: not available
EventQueue$3.run() line: not available
EventQueue$3.run() line: not available
AccessController.doPrivileged(PrivilegedAction<T>, AccessControlContext) line: not available [native method]
ProtectionDomain$1.doIntersectionPrivilege(PrivilegedAction<T>, AccessControlContext, AccessControlContext) line: not available
ProtectionDomain$1.doIntersectionPrivilege(PrivilegedAction<T>, AccessControlContext) line: not available
EventQueue$4.run() line: not available
EventQueue$4.run() line: not available
AccessController.doPrivileged(PrivilegedAction<T>, AccessControlContext) line: not available [native method]
ProtectionDomain$1.doIntersectionPrivilege(PrivilegedAction<T>, AccessControlContext, AccessControlContext) line: not available
EventQueue.dispatchEvent(AWTEvent) line: not available
EventDispatchThread.pumpOneEventForFilters(int) line: not available
EventDispatchThread.pumpEventsForFilter(int, Conditional, EventFilter) line: not available
EventDispatchThread.pumpEventsForHierarchy(int, Conditional, Component) line: not available
EventDispatchThread.pumpEvents(int, Conditional) line: not available
EventDispatchThread.pumpEvents(Conditional) line: not available
EventDispatchThread.run() line: not available
SO的離題;屬於[sf] –